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Stock-Based Compensation (Restricted Stock and Restricted Stock Units) (Details)
12 Months Ended
Dec. 28, 2018
$ / shares
shares
Restricted Stock And Restricted Stock Units Time Based [Member]  
Time-Vested and Performance-Vested Restricted Stock Units and Awards  
Beginning balance (in shares) | shares 163,431
Granted (in shares) | shares 167,514
Vested (in shares) | shares (134,423)
Forfeited (in shares) | shares (54,286)
Ending balance (in shares) | shares 142,236
Weighted Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 35.96
Granted (in dollars per share) | $ / shares 52.14
Vested (in dollars per share) | $ / shares 38.88
Forfeited (in dollars per share) | $ / shares 42.44
Ending balance (in dollars per share) | $ / shares $ 49.78
Performance Based Restricted Stock And Restricted Stock Units [Member]  
Time-Vested and Performance-Vested Restricted Stock Units and Awards  
Beginning balance (in shares) | shares 469,889
Granted (in shares) | shares 159,669
Vested (in shares) | shares (161,674)
Forfeited (in shares) | shares (180,750)
Ending balance (in shares) | shares 287,134
Weighted Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 32.37
Granted (in dollars per share) | $ / shares 45.37
Vested (in dollars per share) | $ / shares 35.28
Forfeited (in dollars per share) | $ / shares 35.24
Ending balance (in dollars per share) | $ / shares $ 36.15